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# File activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb, line 28def parse_sqlite_config!(config)config[:database]||=config[:dbfile]# Require database.unlessconfig[:database]raiseArgumentError,"No database file specified. Missing argument: database"end# Allow database path relative to RAILS_ROOT, but only if# the database path is not the special path that tells# Sqlite to build a database only in memory.ifObject.const_defined?(:RAILS_ROOT)&&':memory:'!=config[:database]config[:database]=File.expand_path(config[:database],RAILS_ROOT)endend